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Waste Reduction Methods

A waste and acid wastewater technology, which is applied in the direction of electronic waste recycling, solid waste removal, recycling technology, etc., can solve the problems of difficult incineration, strong corrosion of highly alkaline water-containing film slag, high moisture content, etc., and achieve cost saving Effect

Active Publication Date: 2017-03-29
上海展华电子(南通)有限公司
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Problems solved by technology

[0004] Aiming at the problem that the existing high-alkaline water-containing film slag is highly corrosive, has a high moisture content, and is not easy to be incinerated in the existing environmental protection technology, the present invention provides a system and method for incineration after neutralizing and reducing the moisture content

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Embodiment Construction

[0012] The specific implementation manners of the present invention will be described in further detail below with reference to the accompanying drawings.

[0013] figure 1 A schematic diagram of the operation according to the invention is shown. refer to figure 1 , acidic wastewater and highly alkaline film slag are mixed and reacted in the neutralization tank according to the volume ratio of 20:1. The top of the pool is a 30° gauze, solid-liquid separation, the liquid flows into the water control pool, and flows into the wastewater treatment station through the pipeline, where the semi-solid film slag is collected and treated in woven bags.

[0014] The advantage of adopting the present invention is that it can effectively solve the problem that highly alkaline water-containing film slag has strong corrosiveness, high water content, and is not easy to incinerate, and neutralizes acidic wastewater, which not only reduces the cost of waste and acidic wastewater treatment, bu...

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Abstract

The invention relates to a waste reducing system and a method in the field of electronic information printed circuit boards. The invention solves the problems of strong corrosivity, high water content and difficult incineration in existing high-alkalinity water membrane slag, and provides a system and a method convenient for incineration after neutralizing and reducing water content. The technical scheme is as follows: acidic wastewater and high-alkalinity membrane slag are dehydrated by adopting a water control system after being neutralized. The system and the method have the following benefits: the high-alkalinity membrane slag can be neutralized, the water content is reduced, the reduction of membrane slag wastes is realized, and the wastes are conveniently incinerated, so that the treatment cost of the wastes is decreased.

Description

technical field [0001] The invention relates to a method for reducing waste in the field of electronic information printed circuit boards. Background technique [0002] In recent years, the manufacturing of information, communications, automobiles and consumer electronics has become one of the fastest growing industries in the world, prompting an increase in global PCB output value year by year, resulting in higher and higher production of high-alkaline film slag and increased waste treatment costs , and cause environmental pollution at the same time. Therefore, to solve the problems of strong corrosiveness, high moisture content and difficult incineration of the existing high-alkaline water-containing film slag, a system and method for incineration after neutralization and reduction of moisture content are provided, which can not only save Huge waste treatment fees can also reduce environmental pollution and achieve a win-win goal of economic benefits and environmental prot...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09B3/00C02F1/66
CPCY02W30/82
Inventor 叶新锦黄教议徐清熊静张迪
Owner 上海展华电子(南通)有限公司
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